ATHENA S4C04760006A 70cc Replacement Piston for Yamaha

Restore dependable engine performance with the ATHENA S4C04760006A 70cc replacement piston for Yamaha applications. Designed as a replacement for part number 070902A, this piston provides a practical solution for rebuilding or servicing a compatible Yamaha 70cc engine. It is intended for use when the original piston is worn, damaged, or no longer able to support proper engine operation.
The ATHENA replacement piston is manufactured for consistent fit and reliable function within the appropriate engine assembly. Replacing a worn piston can help support proper compression, efficient combustion, and smooth power delivery when paired with the correct cylinder, rings, wrist pin, clips, and other related components. Always inspect the complete piston assembly and cylinder before installation to identify wear or damage that could affect performance or service life.
This piston is supplied as an individual unit and is identified by ATHENA part number S4C04760006A. It replaces Yamaha reference 070902A, making it a suitable consideration for maintenance and engine rebuild projects requiring that specification. Verify the year, model, engine configuration, and existing component numbers before ordering to ensure compatibility with your application. Professional installation is recommended, including inspection of cylinder condition, piston-to-cylinder clearance, ring